217051120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18973}}^1$

素因数の和:19010

約数の個数: 80

約数和(自身を含む): 592899552

約数和(自身を除く): 375848432

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 5720, 11440, 18973, 37946, 75892, 94865, 151784, 189730, 208703, 246649, 303568, 379460, 417406, 493298, 758920, 834812, 986596, 1043515, 1233245, 1517840, 1669624, 1973192, 2087030, 2466490, 2713139, 3339248, 3946384, 4174060, 4932980, 5426278, 8348120, 9865960, 10852556, 13565695, 16696240, 19731920, 21705112, 27131390, 43410224, 54262780, 108525560, 217051120]

約数ペア:

[(1, 217051120), (2, 108525560), (4, 54262780), (5, 43410224), (8, 27131390), (10, 21705112), (11, 19731920), (13, 16696240), (16, 13565695), (20, 10852556), (22, 9865960), (26, 8348120), (40, 5426278), (44, 4932980), (52, 4174060), (55, 3946384), (65, 3339248), (80, 2713139), (88, 2466490), (104, 2087030), (110, 1973192), (130, 1669624), (143, 1517840), (176, 1233245), (208, 1043515), (220, 986596), (260, 834812), (286, 758920), (440, 493298), (520, 417406), (572, 379460), (715, 303568), (880, 246649), (1040, 208703), (1144, 189730), (1430, 151784), (2288, 94865), (2860, 75892), (5720, 37946), (11440, 18973)]